sepolicy: update iop socket path

iop socket path has been changed from /data/misc/iop/iop to
/dev/socket/iop.

Remove socket dir create policies from iop.te and replace with
rw socket file permissions.

Change-Id: I8fcef873b26234d517c319debcd09bf817fd75e2
Reviewed-on: http://review.blissroms.com/3840
Reviewed-by: Vaughn N <rwaterspf1@floydco.net>
Reviewed-by: blueyes <brian.w.petroski@gmail.com>
Tested-by: blueyes <brian.w.petroski@gmail.com>
3 files changed